Đề ôn thi Đề thi vào lớp 10 Hà Tĩnh môn Tiếng Anh - Mã đề HTI-106

Have you ever wondered why ocean tides (24) __________ and fall every day? This amazing natural phenomenon is mainly caused by the gravitational pull of the Moon. As the Earth rotates, the Moon's gravity pulls on the water, creating 'bulges' on the side of the Earth closest to it and on the opposite side. The Sun also has a gravitational effect on our oceans, but it's much weaker because it's so far away.

When the Sun, Moon, and Earth align, their gravitational forces combine to create very high and very low tides. (25) __________, when the Moon and Sun are at right angles to each other relative to the Earth, their forces partially (26) __________ each other out, leading to weaker tides called 'neap tides'. This gravitational dance happens without fail. In fact, if the Moon disappeared, our planet's tides (27) __________ be much smaller and less regular. (28) __________ coastal ecosystem depends on this predictable cycle. Life in tidal pools, for instance, is specially adapted to the changing water levels (29) __________ these areas.

Imagine drawing a detailed object on your computer and then, with the click of a button, watching a machine build it right before your eyes. This is the magic of 3D printing, also known as additive manufacturing. Unlike traditional methods that cut or carve material away, 3D printing builds objects layer by layer from a digital design. This technology is transforming industries from healthcare to engineering, and now it's making its way into the classroom.

For students, 3D printing opens up a new world of possibilities for schoolwork. Instead of just drawing a diagram, a biology student can print a detailed model of a human heart. For geography, you can create precise models of mountains and valleys, known as topographic maps. Art students can design and print unique sculptures or custom jewelry. This hands-on approach makes learning more engaging and helps students better understand abstract concepts by turning them into physical objects they can hold.

This wave of innovation is also present in Vietnam. Leading institutions like the Hanoi University of Science and Technology have set up 'Fab Labs' (Fabrication Laboratories) to give students access to this technology. These labs encourage students to move beyond simple school assignments and start tackling more complex challenges, preparing them for future careers in science and technology. It creates a bridge between theoretical knowledge learned in class and practical, real-world application.

Ultimately, the goal of bringing 3D printing into schools is not just to make interesting models. It's about empowering students to become creators and problem-solvers. When students can design, test, and refine their own creations, they learn valuable skills in critical thinking and perseverance. This technology shifts the focus from being a passive consumer of information to an active participant in the process of innovation, turning your imagination into reality.